Finding the Fourth Proportional to 1,720,497.81, 2,374,283.54 and 985,690.06
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Solution
The fourth proportional to 1,720,497.81, 2,374,283.54 and 985,690.06 is: 1,360,250.32
Step by Step Solution
- Step 1: Write the proportion equation
1,720,497.81 : 2,374,283.54 = 985,690.06 : x - Step 2: Convert to fraction form
1,720,497.81/2,374,283.54 = 985,690.06/x - Step 3: Cross multiply
1,720,497.81x = 2,374,283.54 × 985,690.06 - Step 4: Simplify right side
1,720,497.81x = 2,340,307,694,883.47 - Step 5: Solve for x
x = 2,340,307,694,883.47/1,720,497.81 - Step 6: Final answer
x = 1,360,250.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.